Question: Who is the husband of the choreographer of Slaughter on Tenth Avenue?
Paraphrase: What is the name of the choreographer's husband, who choreographed Slaughter on Tenth Avenue?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q7539051 wdt:P1809 ?X . ?X wdt:P26 ?answer}
Answer: Maria Tallchief, Vera Zorina, Tamara Geva, Tanaquil Le Clercq